1) I admire people who step up to challenges rather than avoiding them.

2) It's time for you to step up and take on more responsibility at work.

3) As a leader, you need to step up and make difficult decisions.

4) The team needs someone to step up and lead them to victory.

5) She decided to step up her exercise routine to achieve her fitness goals.

6) When opportunities arise, don't hesitate to step up and seize them.

7) I encouraged my shy friend to step up and join the conversation.

8) It's important to step up and speak out against injustice.

9) The company is looking for someone to step up and fill the vacant position.

10) The coach asked the players to step up their performance in the second half.